China Railway Construction’s tunnel boring machines, in conjunction with Terip’s tunnel air-conditioning units, deliver highly efficient operations.
Release Date:
2026-02-26
For many years, China Railway Construction Corporation has maintained a long-term partnership with our company, making significant contributions to tunnel excavation by providing ventilation and cooling solutions that effectively address the challenges of tunnel‑face ventilation and temperature control. Our company has developed a tunnel air-conditioning system that combines external-loop cooling water from the tunnel boring machine with forced‑draft cooled air to lower temperatures at the tunnel face. Building on conventional external-loop cooling and tunnel ventilation, this system installs an air-conditioning unit directly on the TBM. The tunnel ventilation airflow is passed through an air cooler, and the cooled air is delivered via the secondary ventilation system to the working face—specifically, the segment‑assembly area. The outlet temperature of the secondary fan can reach as low as 20°C, which is 10–12°C below ambient conditions, thereby providing effective cooling and improving the working environment.
For many years, China Railway Construction Corporation has maintained a long-term partnership with our company, contributing significantly to tunnel excavation by providing ventilation and cooling solutions that effectively address the challenges of tunnel‑face ventilation and temperature control. Our company’s tunnel air-conditioning system combines external-loop cooling water from the tunnel boring machine with forced‑draft cooling air to lower temperatures at the tunnel face. Building on conventional external‑loop cooling and tunnel ventilation, this system installs an air-conditioning unit directly on the TBM. The tunnel ventilation airflow is passed through an air cooler, and the cooled air is delivered via the secondary ventilation system to the working face—specifically, the segment‑assembly area. The outlet temperature of the secondary fan can reach 20°C, which is 10–12°C lower than ambient conditions, providing effective cooling and improving the working environment.
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No. 1 Chuangli Road, National Economic and Technological Development Zone, Zengcheng District, Guangzhou City
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